Question: Who is the {port city} for {narrative location} of {Twenty Thousand Leagues Under the Sea}
Paraphrase: What port city is narrated about in 20,000 Leagues under the sea?
SPARQL (Wikidata):  select distinct ?obj where { wd:Q183565 wdt:P840 ?obj . ?obj wdt:P31 wd:Q2264924 } 
Answer: New York City